Juárez-Hernández E, Barbero-Becerra VJ, López-Ramírez AY, González-Rodríguez L, Ramos-Ostos MH, Méndez-Sánchez N, Uribe-Esquivel M, Chávez-Tapia N

Language: Spanish
References: 18
Page: 4-10
PDF size: 122.83 Kb.

ABSTRACT

Background. The sense of taste allows recognize the flavor of the food through perceptions mediated by chemoreceptors. Currently there are no reference values for perception (PT) and recognition (RT) thresholds of basic flavors in healthy Mexican population. Aim. To determine the normal values of PT and RT of basic flavors in healthy Mexican population. Material and methods. In 50 apparently healthy patients grouped according to age (G1: 18-29 years; G2: 30-39 years; G3: 40-49 years; G4: 50-59 years; G5: 60- 69 years) the PT and RT were evaluated by ascending molar concentrations of basic flavors. Means of molar concentrations and nutrient intake were determined and compared for each age group. Results. The mean concentrations of PT and RT were: for salty 6.06 ± 8.6, 18.6 ± 9.1 mM; sweet 3.8 ± 4.03, 6.4 ± 3.8 mM; bitter 90.22 ± 3.1, 92.4 ± 5.7 mM; acid 1.06 ± 1.2, 2.03 ± 1.72 ± 0.66 mM and umami 0.56, 1.26 ± 0.74 mM, respectively. In comparison by age group, G2 patients had lower RT and higher PT of umami taste (P ‹ 0.05). The deficiency of micronutrient consumption was associated with thresholds alterations for sweet and salty flavors (P ‹ 0.05). Conclusions. This study shows the normal values of PT and RT of basic flavors in healthy Mexican population. In clinical evaluations, nutrient deficiencies should be considered, the values of umami taste must be adjusted to the patient age.

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